source: http://www.securityfocus.com/bid/1128/info

Sending malformed packets to port 7070 will cause Real Server to stop responding. Restarting the server will be required in order to re-establish normal functionality. 

http://www.exploit-db.com/sploits/19856-1.exe

http://www.exploit-db.com/sploits/19856-2.zip